B6 806 then DL 5622 at Boston
Nashville → Boston → Richmond
Timetable, Boston time
09:26B6 806 from Nashville at the gate
08:50DL 5622 to Richmond leaves the gate
23 h 24 apart on the timetable, overnight
DL 5622 leaves 23 h 24 after B6 806 arrives on the timetable: more than half a day, so not a connection we count.